X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fcore%2Ftexturecube.cpp;h=ff2b28755bb3e8e37c3dbadf57f6695b24e13d83;hb=4365124bd39bd6edbda6eaef64ec72a1a10565f8;hp=9aec4b1d19640f699adbf8c2596a7e14555b6200;hpb=0a359a7508a0117b055b72bcb7dc42ddcb2ed5f9;p=libs%2Fgl.git

diff --git a/source/core/texturecube.cpp b/source/core/texturecube.cpp
index 9aec4b1d..ff2b2875 100644
--- a/source/core/texturecube.cpp
+++ b/source/core/texturecube.cpp
@@ -55,11 +55,11 @@ void TextureCube::image(TextureCubeFace face, unsigned level, const void *data)
 	return sub_image(face, level, 0, 0, lsz, lsz, data);
 }
 
-void TextureCube::sub_image(TextureCubeFace face, unsigned level, int x, int y, unsigned wd, unsigned ht, const void *data)
+void TextureCube::sub_image(TextureCubeFace face, unsigned level, unsigned x, unsigned y, unsigned wd, unsigned ht, const void *data)
 {
 	if(size==0)
 		throw invalid_operation("TextureCube::sub_image");
-	if(level>=levels)
+	if(level>=levels || x>size || x+wd>size || y>size || y+ht>size)
 		throw out_of_range("TextureCube::sub_image");
 
 	TextureCubeBackend::sub_image(face, level, x, y, wd, ht, data);